Analysis
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max time kernel
120s -
max time network
118s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
18/10/2024, 05:45
Behavioral task
behavioral1
Sample
89b0257e8fbb68441fdd155ea859fd75b753678840d6ce8197d8ba55df50f6c0N.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
89b0257e8fbb68441fdd155ea859fd75b753678840d6ce8197d8ba55df50f6c0N.exe
Resource
win10v2004-20241007-en
General
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Target
89b0257e8fbb68441fdd155ea859fd75b753678840d6ce8197d8ba55df50f6c0N.exe
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Size
41KB
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MD5
b61d806ae9a96026306544341c8fe530
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SHA1
7540e8ed4353934aab5dd09e0c4e42a44f9ba909
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SHA256
89b0257e8fbb68441fdd155ea859fd75b753678840d6ce8197d8ba55df50f6c0
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SHA512
4dd15d7fca86fbe707eaa045b0e0aa8b4397538b67cfabb737397cc45114a106c45cacb121a2396bd58548f643668f453471430b06d08c94ae769c746f59aecc
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/:AEwVs+0jNDY1qi/q
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral2/memory/1092-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1092-49-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1092-51-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1092-161-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1092-185-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Executes dropped EXE 1 IoCs
pid Process 3704 services.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe" 89b0257e8fbb68441fdd155ea859fd75b753678840d6ce8197d8ba55df50f6c0N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/1092-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x000b000000023b97-4.dat upx behavioral2/memory/3704-7-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1092-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3704-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3704-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3704-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3704-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3704-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3704-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3704-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3704-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3704-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1092-49-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3704-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1092-51-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3704-52-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x000900000001e57f-62.dat upx behavioral2/memory/1092-161-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3704-162-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1092-185-0x0000000000500000-0x0000000000510200-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\java.exe 89b0257e8fbb68441fdd155ea859fd75b753678840d6ce8197d8ba55df50f6c0N.exe File created C:\Windows\java.exe 89b0257e8fbb68441fdd155ea859fd75b753678840d6ce8197d8ba55df50f6c0N.exe File created C:\Windows\services.exe 89b0257e8fbb68441fdd155ea859fd75b753678840d6ce8197d8ba55df50f6c0N.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 89b0257e8fbb68441fdd155ea859fd75b753678840d6ce8197d8ba55df50f6c0N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1092 wrote to memory of 3704 1092 89b0257e8fbb68441fdd155ea859fd75b753678840d6ce8197d8ba55df50f6c0N.exe 84 PID 1092 wrote to memory of 3704 1092 89b0257e8fbb68441fdd155ea859fd75b753678840d6ce8197d8ba55df50f6c0N.exe 84 PID 1092 wrote to memory of 3704 1092 89b0257e8fbb68441fdd155ea859fd75b753678840d6ce8197d8ba55df50f6c0N.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\89b0257e8fbb68441fdd155ea859fd75b753678840d6ce8197d8ba55df50f6c0N.exe"C:\Users\Admin\AppData\Local\Temp\89b0257e8fbb68441fdd155ea859fd75b753678840d6ce8197d8ba55df50f6c0N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1092 -
C:\Windows\services.exe"C:\Windows\services.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:3704
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
25B
MD58ba61a16b71609a08bfa35bc213fce49
SHA18374dddcc6b2ede14b0ea00a5870a11b57ced33f
SHA2566aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1
SHA5125855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1
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Filesize
41KB
MD5f5d597f76c366c636217fc30fcd4c678
SHA126c0747d7414819dbe809bef40d16228f299e828
SHA256108791949f3ff994aefa958e1546915b79f13f0ff0744c33b19c5179b41d43c8
SHA512b2d828fefccfc8029a4b376c0fdddec6ee906f98b225d37062eea5f327d1fc39511aa55489c10e8fc46a4d1a975a6cbe2110f2c48525b19fcf4cb116d9f34ca7
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Filesize
192B
MD58446dbb9c7af47e37051a92247a92e7d
SHA1048e1bf72876ecfc6f0a817a3cfe22b2648c955d
SHA25634bab456720142295b2b4403fe2ab7c2b37b1136790ec7deaf1f4d0a5062a4bd
SHA512922cd3770f41fc1e19b35865eaf60f8d1100774160fe04f45fc9e83538fe20b4b0812984d6368a3af8960bbedad1bea041cf392c7509fca193e4e2f1db72daa0
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Filesize
192B
MD5840c17c571c49109ae4a4418123253e1
SHA120d771ea3a21be7abbb62ed08209e8bb521c9467
SHA2561c9f594f4c69e3f58f5b3485224601c8e405714b47bde996b7ae02646e4cd1f9
SHA512086d2af0d67363f0fc174b0ab35658d833c6b7431bcf865b47fd13ac2bf32b88d7fd7ae8a3e4dda2c2cdb8daa7ba8628311d092759eba455bca0a1cbabdbeeb4
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Filesize
12KB
MD51d755f51d163adc6349305b1ed30d104
SHA1f05d2449d247624d5ce3ae6dfdcd256b616d9213
SHA256382d4d78a37fe938ae4e1773eec977d77b5037af5ffa97a5cc2f836a0525aa36
SHA512d9b8ad60e226e74e765f979ad6e27cc65f301dfb7fcd450fc2619441dafdf25f924bb982e096d76c6def1f7d23b7d2db02e83beaf361e862c57402307258eb92
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2